Belkin AP41000uk3M AP41000ea3M User Manual - Page 25

Glossary of Power Terms

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PureAV Power Console Glossary of Power Terms Alternating Current (AC): The current that is commonly flowing through the electrical sockets in your home. It is an electrical current in the form of a sine wave that oscillates up and down continuously. Amp: An abbreviation for Ampere. This is a unit of electrical current. Direct Current (DC): An electrical current flowing in one direction only. DC current does not have a wave form. Electromagnetic Interference (EMI): Electrical interference generated by appliances and many other electrical components that cause degradation of sound and picture quality in audio and video equipment. Earth: A conducting object, such as a wire, that is connected to a position of zero-voltage potential. Common connecting points are earth rods or cold-water pipes that are connected to the Earth. Joule Rating: A measure of electrical energy. The higher the joule rating, the more electrical surges a device can absorb before failing. Maximum Spike Current: The maximum current (in Amps) that can be absorbed before failing. The higher the maximum spike current, the more current a device can absorb without failing. Radio Frequency Interference (RFI): Electromagnetic radiation, which is emitted by electrical circuits carrying rapidly changing signals as a by-product of their normal operation, and that causes interference or noise to be induced in other circuits. Spike: A very fast transient variation in voltage or current. Many small transients, over time, cause components to wear and fail. Surge: An increase in voltage or current significantly above the designated level in a flow of electricity. 24

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PureAV Power Console
24
Glossary of Power Terms
Alternating Current (AC):
The current that is commonly flowing through
the electrical sockets in your home. It is an electrical current in the form
of a sine wave that oscillates up and down continuously.
Amp:
An abbreviation for Ampere. This is a unit of electrical current.
Direct Current (DC):
An electrical current flowing in one direction only.
DC current does not have a wave form.
Electromagnetic Interference (EMI):
Electrical interference generated
by appliances and many other electrical components that cause
degradation of sound and picture quality in audio and video equipment.
Earth:
A conducting object, such as a wire, that is connected to a
position of zero-voltage potential. Common connecting points are earth
rods or cold-water pipes that are connected to the Earth.
Joule Rating:
A measure of electrical energy. The higher the joule
rating, the more electrical surges a device can absorb before failing.
Maximum Spike Current:
The maximum current (in Amps) that can be
absorbed before failing. The higher the maximum spike current, the
more current a device can absorb without failing.
Radio Frequency Interference (RFI):
Electromagnetic radiation, which is
emitted by electrical circuits carrying rapidly changing signals as a
by-product of their normal operation, and that causes interference or
noise to be induced in other circuits.
Spike:
A very fast transient variation in voltage or current. Many small
transients, over time, cause components to wear and fail.
Surge:
An increase in voltage or current significantly above the
designated level in a flow of electricity.